Giant Fleabane Inula magnifica

👤 Non-toxic to humans
🐾 Non-toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Easy-care
giant inula


Inula magnifica, known as Giant Fleabane, is a striking and robust perennial plant that is particularly noted for its large, daisy-like flowers and substantial presence in the garden. The blooms are a bright and cheerful yellow, with narrow, radiating petals that surround a prominent central disc. These flowers can make a bold statement when they bloom in the summer and early fall. The foliage of the Giant Fleabane consists of large, ovate to lance-shaped leaves that are coarse in texture, with edges that may be slightly toothed or wavy. The leaves are often a deep green color, creating a dense and lush backdrop that accentuates the brilliant yellow of the flowers. The plant's overall form is one of fullness and vigor, with the foliage and flowers combining to create a substantial visual impact. The arrangement of the leaves is typically in a rosette at the base of the plant, with some leaves also spiraling up the stems that hold the flower heads aloft. As the leaves progress up the stem they usually reduce in size, becoming more sparse towards the top where the blooms are prominently displayed. The stems themselves are sturdy, in order to support the sizable flower heads, and they may have a slightly fuzzy or hairy texture, which is not uncommon in plants of this genus. This textural element adds to the tactile experience of the plant in the garden. In terms of overall impact in a garden setting, Giant Fleabane is a plant that commands attention due to its impressive flowers and large leaves. It is often used as a statement plant or as part of a mixed border where its bold appearance can be appreciated amidst other garden plants. The cheerful yellow flowers are also attractive to pollinators and can bring a lively presence of bees and butterflies to the garden.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Giant Fleabane, Magnificent Inula, Showy Inula, Large Inula.

    • Common names

      Inula magnifica.

  • skullToxicity

    • To humans

      Inula magnifica, commonly known as the Giant Inula, is not widely recognized for its toxicity to humans. There is little information to suggest that it contains harmful substances that would cause poisoning if ingested. However, as with any plant, individual allergic reactions or sensitivities to this species may occur. If symptoms like gastrointestinal discomfort, skin irritation, or allergic response develop after handling or ingesting Inula magnifica, medical attention should be sought.

    • To pets

      The Giant Inula is not specifically documented to be toxic to pets. It is not listed as a commonly poisonous plant for animals such as dogs and cats. That being said, pets might experience mild stomach upset or an allergic reaction if they ingest parts of the plant. It's generally recommended to prevent pets from consuming any non-food plants to avoid potential digestive issues or unknown toxicities. If your pet does ingest Inula magnifica and exhibits signs of distress, consult with a veterinarian.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      4 feet (1.2 meters)

    • Spread

      2 feet (0.6 meters)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental value: Inula magnifica, commonly known as the "Giant Inula," features showy yellow flowers that add aesthetic value to gardens.
    • Attracts pollinators: Its large daisy-like flowers attract bees and butterflies, which are beneficial for pollination and maintaining biodiversity.
    • Wildlife habitat: The plant provides shelter and food for various insects, which can be an important part of a wildlife-friendly garden.
    • Low maintenance: Once established, Inula magnifica is generally low maintenance, requiring minimal care to thrive.
    • Drought tolerance: The plant is relatively drought-tolerant, making it suitable for gardens in drier climates or for gardeners seeking to reduce water use.
    • Soil improvement: Its roots can help to break up heavy soils, improving soil structure and drainage over time.
    • Tolerance to pests: Inula magnifica has a natural resistance to many common garden pests, reducing the need for chemical interventions.

  • medicalMedical Properties

    This plant is not used for medical purposes.

  • windAir-purifying Qualities

    This plant is not specifically known for air purifying qualities.

  • leavesOther Uses

    • Inula magnifica, commonly known as Giant Inula, can be used as a natural dye source for textiles, providing shades of yellow and green depending on the mordant used.
    • The plant can be incorporated into a compost mixture to add bulk and improve the compost's nutritional content.
    • Giant Inula's large leaves can be used as natural wrapping material for preserving and protecting delicate items.
    • The tall and robust stems of Giant Inula can be dried and used in creating support structures for other plants in the garden.
    • The fluffy seed heads of this plant can be used in floral arrangements to add texture and interest.
    • Due to its aesthetic appeal, this plant can be employed as a photography subject or backdrop for outdoor portraits.
    • The leaves can serve as a natural mulch to suppress weeds around other garden plants, reducing the need for chemical weed killers.
    • Giant Inula is useful in garden ponds as its roots can help stabilize the bank areas and provide habitat for wildlife.
    • The dense foliage can create a living barrier or hedge, offering privacy and wind protection in garden landscapes.
    • Being a large and conspicuous plant, Giant Inula can be used as a natural marker to signify boundaries or areas within a garden.

Interesting Facts

  • bedFeng Shui

    The Inula magnifica is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Inula magnifica is not used in astrology practice.

  • spiralPlant Symbolism

    • Grandeur: The name "magnifica" indicates magnificence, suggesting that Inula magnifica symbolizes grandeur and splendor due to its large, impressive flowers.
    • Friendship: Flowers in the daisy family, which Inula magnifica is a part of, often represent companionship and sharing, reflecting the bond found in friendships.
    • Attraction: Inula magnifica has bright, striking flowers that draw attention, making it a symbol for allure and attraction.
    • Prosperity: The lush growth and abundant blooms can signify prosperity, growth, and fullness in one's life.
    • Protection: Traditional uses of Inula species in herbalism for protection against ailments can extend symbolically to offer a sense of safeguarding and defense.

Every 1-2 weeks
2500 - 10000 Lux
Every 2-3 years
Spring-early summer
As needed
  • water dropWater

    The Giant Fleabane should be watered once a week, providing enough moisture to soak the soil around the root zone. During the growing season, ensure that the plant receives roughly one to two gallons of water, depending on the soil's moisture retention and weather conditions. Be cautious not to overwater; the soil should be allowed to dry out slightly between waterings. In the winter, reduce watering frequency to match the plant's reduced growth and evapotranspiration rates.

  • sunLight

    Giant Fleabane thrives in full sunlight to partial shade. The best spot is one where it receives at least six hours of direct sunlight daily, although it can tolerate some afternoon shade. Avoid placing it in deep shade, as this will reduce flowering and can lead to leggy growth.

  • thermometerTemperature

    Giant Fleabane is hardy and prefers a temperature range between 50 to 75 degrees Fahrenheit, but can survive winter temperatures down to 0 degrees Fahrenheit. The ideal growing condition is a mild climate; excessive heat or cold can stress the plant.

  • scissorsPruning

    Pruning the Giant Fleabane is essential to maintain its shape, remove spent flower heads, and encourage new growth. Prune in late winter or early spring before new growth begins. Cut back the previous year's growth to about a foot to stimulate lush new foliage. Deadheading after flowering will prevent self-seeding and may encourage a second bloom.

  • broomCleaning

    As needed

  • bambooSoil

    The Giant Fleabane prefers a nutrient-rich, well-draining soil mix with a pH ranging from 5.5 to 7.5. An ideal soil mix could include equal parts of garden soil, compost, and perlite or sand to improve drainage.

  • plantRepotting

    The Giant Fleabane should be repotted every 2-3 years or when it outgrows its current pot, typically in late winter or early spring before new growth begins.

  • water dropsHumidity & Misting

    The Giant Fleabane thrives best in average room humidity levels. Ensure good ventilation, especially if grown in a greenhouse or conservatory, to prevent any humidity-related issues.

  • pinSuitable locations

    • Indoor

      Place in bright, indirect light and ensure good air circulation for the Giant Fleabane.

    • Outdoor

      Choose a sunny spot with moist, well-draining soil for the Giant Fleabane.

    • Hardiness zone

      5-9 USDA

  • circleLife cycle

    Inula magnifica, commonly known as Giant Fleabane, begins its life cycle as a seed, typically germinating in spring when soil temperatures are suitable. After germination, the seedling emerges, developing into a rosette of leaves at the soil surface. As the plant matures, it grows a sturdy stem and forms a clumping habit, producing large, ovate, hairy leaves. By mid to late summer, Giant Fleabane produces tall flower stalks topped with large, showy, yellow, daisy-like flowers which are highly attractive to pollinators. After flowering, the plant sets seed and as the seeds fully mature, they are dispersed by the wind or other means, ensuring the continuation of the species. Finally, as a perennial, the aboveground foliage of Inula magnifica dies back in autumn, but the plant survives underground with its root system and will re-sprout the following spring.

  • sproutPropogation

    • Propogation time

      Spring-early summer

    • Propogation: Inula magnifica, commonly known as giant fleabane, is best propagated through division, which is most successful if performed in the spring. To propagate by division, carefully lift the plant from the soil once it has established a sizable clump and shows signs of new growth. Using a sharp, clean knife or spade, divide the clump into smaller segments, ensuring each has a portion of the root system and several shoots. Replant the divisions promptly, spacing them at least a couple of feet apart (approximately 24 inches or 60 centimeters) to accommodate their mature size. Water the new divisions well after planting to encourage root establishment and minimize transplant shock. This method allows gardeners to quickly increase their stock of Inula magnifica while maintaining the health and vigor of the parent plant.